Cita APA (7th ed.)

Henig, R. (1995). The Origins of the First World War (2nd ed.). Routledge.

Cita Chicago (17th ed.)

Henig, Ruth. The Origins of the First World War. 2nd ed. London: Routledge, 1995.

Cita MLA (9th ed.)

Henig, Ruth. The Origins of the First World War. 2nd ed. Routledge, 1995.